From: Oded Gabbay <oded.gabbay@gmail.com>
To: linux-kernel@vger.kernel.org, SW_Drivers@habana.ai
Cc: gregkh@linuxfoundation.org
Subject: [PATCH] habanalabs: correctly cast u64 to void*
Date: Sun, 31 May 2020 12:15:47 +0300 [thread overview]
Message-ID: <20200531091547.6868-1-oded.gabbay@gmail.com> (raw)
Use the u64_to_user_ptr(x) kernel macro to correctly cast u64 to void*
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/command_submission.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c
index 75d8302352e5..f82974a916c3 100644
--- a/drivers/misc/habanalabs/command_submission.c
+++ b/drivers/misc/habanalabs/command_submission.c
@@ -789,7 +789,7 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type,
size_to_copy = chunk->num_signal_seq_arr *
sizeof(*signal_seq_arr);
if (copy_from_user(signal_seq_arr,
- (void __user *) chunk->signal_seq_arr,
+ u64_to_user_ptr(chunk->signal_seq_arr),
size_to_copy)) {
dev_err(hdev->dev,
"Failed to copy signal seq array from user\n");
--
2.17.1
next reply other threads:[~2020-05-31 9:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 9:15 Oded Gabbay [this message]
2020-05-31 10:14 ` Omer Shpigelman
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